Abstract: At present, most voice air-conditioning products share the same wake-up word wake-up device. Therefore, when multiple voice air-conditioners are wake-up at the same time, there will be a "echo" phenomenon. In order to solve this phenomenon, proposes the key technology research and air-conditioning application of nearby voice wake-up. The front-end voice adaptive noise reduction algorithm is used to solve the indoor environment noise and the internal reverberation of the air conditioner. Then, the master node (master node) and slave node (sub node) are selected by LAN voice distributed networking. Finally, according to the energy value of the sound source or the distance between the sound source and the voice air conditioner, the arbitration decision is made by the master, finally, the air conditioner close to the user's most suitable distance is awakened.

Key words: Nearby voice wake up, Adaptive noise reduction, Distributed networking, Arbitration decision, Air conditioning application